diff options
Diffstat (limited to 'src/network/access/qdecompresshelper.cpp')
| -rw-r--r-- | src/network/access/qdecompresshelper.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/network/access/qdecompresshelper.cpp b/src/network/access/qdecompresshelper.cpp index 2e44a58cf4..d0e75ef0dc 100644 --- a/src/network/access/qdecompresshelper.cpp +++ b/src/network/access/qdecompresshelper.cpp @@ -405,6 +405,11 @@ void QDecompressHelper::setArchiveBombDetectionEnabled(bool enable) countHelper->setArchiveBombDetectionEnabled(enable); } +void QDecompressHelper::setMinimumArchiveBombSize(qint64 threshold) +{ + minimumArchiveBombSize = threshold; +} + bool QDecompressHelper::isPotentialArchiveBomb() const { if (!archiveBombDetectionEnabled) @@ -413,6 +418,9 @@ bool QDecompressHelper::isPotentialArchiveBomb() const if (totalCompressedBytes == 0) return false; + if (totalUncompressedBytes <= minimumArchiveBombSize) + return false; + // Some protection against malicious or corrupted compressed files that expand far more than // is reasonable. double ratio = double(totalUncompressedBytes) / double(totalCompressedBytes); |